Guide to Doctrine migrations - Publications - denderello's
This tutorial/book/work (call it what you like. I don't know it yet, too.) will try to give you an insight of Doctrine's migrations and how to use them in your symfony 1.3 / 1.4 projects.
mysql-workbench-doctrine-plugin - Project Hosting on Google Code
The MySQL Workbench Doctrine Plugin is a plugin developed for MySQL Workbench which is a tool for developing MySQL databases with a graphical interface. The plugin helps you to generate database schemes for the Doctrine framework which is e.g. used in the very famous PHP Framework Symfony.